TMS320C31PQA40

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TMS320C31PQA40

IC DSP 132-BQFP

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Spezifikationen

Supplier Texas Instruments,Rochester Electronics, LLC
Package Tube,Tray
Series TMS320C3x
ProductStatus Obsolete
Type Floating Point
Interface Serial Port
ClockRate 40MHz
Non-VolatileMemory External
On-ChipRAM 8.25kB
Voltage-I/O 5.00V
Voltage-Core 5.00V
OperatingTemperature -40°C ~ 125°C (TC)
MountingType Surface Mount
Package/Case 132-BQFP Bumpered

Übersicht

Description

The TMS320C31PQA40 is TI’s 32-bit fixed-point DSP core (C31) in a 40-pin PQA plastic package. It belongs to the TMS320C3x/C4x family and is designed for real-time signal processing with a high-throughput multiply-accumulate engine and a pipelined, Harvard architecture (separate program and data memory). Key features include a 32-bit datapath, DSP-oriented instruction set, on-chip RAM/ROM options plus an external memory interface, and basic interrupt/I/O support. Applications span digital filtering, FFTs, audio/video processing, telecommunications, and motor control. For exact specs—memory sizes, timing, pinout, and max clock—consult the C31PQA40 datasheet and reference manual, as packaging variants alter pinout and memory configuration.

Features

Here are the core features of the TMS320C31PQA40:
- 32-bit fixed-point DSP CPU (C31) with Harvard architecture
- Pipeline-enabled, high-throughput instruction execution
- Separate program and data memory spaces (external memory interface)
- Multiply-Accumulate (MAC) unit with high-precision accumulator (typical TI DSP MAC design)
- Rich addressing modes: circular/modulo, indirect with post-increment, etc.
- Dual data pointers and efficient register organization for fast DSP ops
- Interrupt support for responsive I/O and real-time tasks
- External memory compatibility (ROM/RAM and peripherals) via dedicated interfaces
- 40-pin Plastic Quad package (PQA40) for compact hardware designs
Note: This summary focuses on architectural features common to the C31 family and the PQA40 package.

Package

PQFP-40: Plastic Quad Flat Pack, 40 pins (PQA40).

Pinout

- Pin count: 40 pins (40-pin package, e.g., plastic QFP/PQFP).
- Function: TI TMS320C31 fixed-point digital signal processor (32-bit C31 core) used for embedded real-time DSP tasks (MAC operations, DSP algorithms, etc.).

Manufacturer

- Manufacturer: Texas Instruments (TI)
- What kind of company: An American multinational technology company that designs and manufactures semiconductors and integrated circuits, specializing in analog, mixed-signal, and embedded processing devices including DSPs.

Application

Typical applications for the TMS320C31PQA40 include:
- Real-time DSP tasks: filtering and FFTs
- Audio and speech processing
- Telecommunications and modems
- Instrumentation and data acquisition systems
- Motor control and embedded control
- Radar/sonar signal processing
- Low-to-mid-band image/video and multimedia processing

Equivalent

There isn’t a direct one-to-one equivalent for the TMS320C31PQA40 in TI’s current catalog. To find a replacement, use TI’s Product Cross Reference tool and search for other 40-pin fixed-point DSPs in the C31/C28x families. For migration, consider newer C28x/C55x devices or other fixed‑point DSPs, but be prepared for changes in architecture, pins, and peripherals.

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